Version 4
SHEET 1 1676 1112
WIRE -128 48 -272 48
WIRE 48 48 -128 48
WIRE 288 48 48 48
WIRE 512 48 288 48
WIRE 864 48 512 48
WIRE -128 64 -128 48
WIRE 512 64 512 48
WIRE 864 144 864 48
WIRE -128 160 -128 144
WIRE 288 160 288 48
WIRE 512 160 512 144
WIRE 48 224 48 48
WIRE 128 224 48 224
WIRE 816 224 672 224
WIRE 48 240 48 224
WIRE 736 288 672 288
WIRE 864 288 864 240
WIRE 864 288 736 288
WIRE 896 288 864 288
WIRE 960 288 896 288
WIRE 1088 288 1040 288
WIRE 1152 288 1088 288
WIRE 1216 288 1152 288
WIRE 1312 288 1216 288
WIRE 1216 304 1216 288
WIRE 1312 304 1312 288
WIRE 896 320 896 288
WIRE -368 352 -512 352
WIRE -224 352 -368 352
WIRE -96 352 -224 352
WIRE 48 352 48 320
WIRE 48 352 -32 352
WIRE 128 352 48 352
WIRE 736 352 736 288
WIRE 736 352 672 352
WIRE -512 368 -512 352
WIRE -368 368 -368 352
WIRE -224 368 -224 352
WIRE 1216 400 1216 368
WIRE 1312 400 1312 384
WIRE 128 416 32 416
WIRE 736 416 672 416
WIRE 896 416 896 384
WIRE 1152 432 1152 288
WIRE -512 464 -512 448
WIRE -368 464 -368 432
WIRE -224 464 -224 448
WIRE 32 464 32 416
WIRE 32 464 -224 464
WIRE -224 480 -224 464
WIRE 736 480 672 480
WIRE 736 496 736 480
WIRE 864 528 864 288
WIRE 128 544 80 544
WIRE -224 576 -224 560
WIRE -272 608 -272 48
WIRE -192 608 -272 608
WIRE 128 608 -112 608
WIRE 816 608 672 608
WIRE -64 672 -96 672
WIRE 16 672 0 672
WIRE 128 672 96 672
WIRE 864 672 864 624
WIRE 864 672 672 672
WIRE 864 688 864 672
WIRE 128 736 80 736
WIRE 1088 736 1088 288
WIRE 1088 736 672 736
WIRE 48 800 32 800
WIRE 128 800 112 800
WIRE 1152 800 1152 512
WIRE 1152 800 672 800
WIRE 1152 816 1152 800
WIRE 208 880 208 864
WIRE 336 880 336 864
WIRE 464 880 464 864
WIRE 592 880 592 864
WIRE 1152 912 1152 896
FLAG 208 880 0
FLAG 592 880 0
FLAG 864 688 0
FLAG 736 560 0
FLAG 896 416 0
FLAG 1312 400 0
FLAG 1216 400 0
FLAG -96 672 0
FLAG -128 160 0
FLAG 32 800 0
FLAG 1312 288 OUT
FLAG 1152 912 0
FLAG 464 880 0
FLAG 336 880 0
FLAG -368 464 0
FLAG -224 576 0
FLAG -512 464 0
FLAG -128 48 IN
SYMBOL NMOS 816 528 R0
SYMATTR InstName Q1
SYMATTR Value Si4420DY
SYMBOL RES 496 48 R0
SYMATTR InstName R1
SYMATTR Value 1.5Meg
SYMBOL schottky 720 480 M180
WINDOW 0 38 46 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D1
SYMATTR Value 1N5818
SYMBOL cap 720 496 R0
WINDOW 3 31 52 Left 2
SYMATTR Value 4.7µ
SYMATTR InstName C1
SYMBOL schottky 880 384 M180
WINDOW 0 24 72 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D2
SYMATTR Value 1N5818
SYMBOL nmos 816 144 R0
SYMATTR InstName Q2
SYMATTR Value Si4420DY
SYMBOL ind 944 304 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L1
SYMATTR Value 3µ
SYMBOL polcap 1200 304 R0
SYMATTR SpiceLine Rser=50m
SYMATTR InstName C2
SYMATTR Value 470µ
SYMBOL res 112 656 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R2
SYMATTR Value 1K
SYMBOL cap 0 656 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C3
SYMATTR Value .01µ
SYMBOL res -96 592 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R3
SYMATTR Value 3.3K
SYMBOL VOLTAGE -128 48 R0
SYMATTR InstName V1
SYMATTR Value 6
SYMBOL cap 112 816 M270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName C4
SYMATTR Value .0001µ
SYMBOL cap 720 352 R0
WINDOW 3 30 49 Left 2
SYMATTR Value .22µ
SYMATTR InstName C5
SYMBOL POWERPRODUCTS\\LTC3713 400 512 R0
SYMATTR InstName U1
SYMBOL res 1136 416 R0
SYMATTR InstName R4
SYMATTR Value 30.1K
SYMBOL res 1136 800 R0
SYMATTR InstName R5
SYMATTR Value 14K
SYMBOL ind 64 224 M0
WINDOW 0 -3 32 Right 2
WINDOW 3 5 88 Right 2
SYMATTR InstName L2
SYMATTR Value 4.7µ
SYMBOL schottky -32 336 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName D3
SYMATTR Value 1N5817
SYMBOL polcap -384 368 R0
SYMATTR SpiceLine Rser=.1
SYMATTR InstName C7
SYMATTR Value 15µ
SYMBOL res -240 352 R0
SYMATTR InstName R6
SYMATTR Value 100K
SYMBOL res -240 464 R0
SYMATTR InstName R7
SYMATTR Value 15K
SYMBOL res 1296 288 R0
SYMATTR InstName Rload1
SYMATTR Value .25
SYMBOL res -528 352 R0
SYMATTR InstName Rload2
SYMATTR Value 20
TEXT 800 880 Left 2 !.tran 1m startup